This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI32X25SLB, with the same bore, stroke, output force, port and mounting, so it fits the same application. The SAI replacement keeps the same ISO 15552 mounting interface, bore, stroke, output force and accessories, so it drops straight into existing fixtures. It is the current-production version of this cylinder with an upgraded piston seal.
Airtac SI32 Standard Air Cylinder SI32X25SLB
The AirTAC SI32 Standard Air Cylinder SI32X25SLB is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 25mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI32X25SLB, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke25 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAI32X25SLB
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SI32 Standard Air Cylinder SI32X25SLB
The AirTAC SI32X25SLB is a discontinued double-acting ISO 15552 profile cylinder with a 32mm bore, 25mm stroke, LB foot mount, and a piston magnet. Delivering 402N push force at 0.5MPa via a G1/8 port, it is replaced by the SAI32X25SLB. This direct successor shares the exact interface, bore, force, and mounting.
The SAI upgrade features a two Y-shaped one-way piston seal for low start-up pressure and long life. The SAI family adds SAIL lock, SAIF valve, and BSAI clamp variants. The original -S magnet works with CS1-B/DS1-B sensors, while the SAI uses current AirTAC switches.
Airtac SI32 Standard Air Cylinder SI32X25SLB Technical Specifications
| Model | Airtac SI32 Standard Air Cylinder SI32X25SLB |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI32X25SLB |
| Bore size | Ø32 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI32X25SLB carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAI32X25SLB produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI32 Standard Air Cylinder SI32X25SLB
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×25 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SI-family variants: SID (double rod), SIJ (adjustable stroke) — each maps to its SAI equivalent (SID→SAID, SIJ→SAIJ). Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B).
Where the Airtac SI32 Standard Air Cylinder SI32X25SLB Is Used
Compact Part Ejection
Ideal for short-stroke ejection of small machined parts from a fixture, utilizing the 402N push force at 0.5MPa for reliable 25mm displacement.
Light Clamping Operations
Secures light components during secondary machining with a 345N pull force, while the LB foot mount provides a stable base on the tooling plate.
Replacing the Airtac SI32 Standard Air Cylinder SI32X25SLB with the SAI32X25SLB
To replace the SI32X25SLB, order the SAI32X25SLB. Verify the ISO 15552 LB foot mount, 25mm stroke, G1/8 port, and the -S magnet for CS1-B/DS1-B switches. At 0.5MPa it yields 402N push and 345N pull. If undersized, the neighbouring 40mm bore offers 628N push. For load holding, note that a plain cylinder drifts on air loss as cushions only decelerate; use an external rod lock, pilot check valve, or the SAIL/BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI32X25SLB
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI32 Standard Air Cylinder SI32X25SLB FAQ
Yes, the SI32X25SLB is discontinued. The direct replacement is the SAI32X25SLB, which matches the 32mm bore, 25mm stroke, G1/8 port, and ISO 15552 LB mounting interface.
This double-acting cylinder features a G1/8 port. It delivers 402N push and 345N pull at 0.5MPa, 563N push at 0.7MPa, 724N push at 0.9MPa, and a theoretical max of 82kgf at 1.0MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI32X25SLB
Send us the quantity and destination. We confirm price, stock and lead time on the SAI32X25SLB replacement — usually within 7-8 hours.